Move example and test headers out of include/pv

The only headers installed there should be
those for the official API of the module.

exampleServer/src/exampleServer.cpp

@@ -10,7 +10,8 @@
  */
 
 #include <pv/standardPVField.h>
-#include <pv/exampleServer.h>
+
+#include <exampleServer.h>
 
 namespace epics { namespace exampleServer { 
 using namespace epics::pvData;

exampleServer/src/exampleServerMain.cpp

@@ -20,11 +20,12 @@
 
 #include <pv/standardField.h>
 #include <pv/standardPVField.h>
-#include <pv/exampleServer.h>
 #include <pv/traceRecord.h>
 #include <pv/channelProviderLocal.h>
 #include <pv/serverContext.h>
 
+#include <exampleServer.h>
+
 using namespace std;
 using std::tr1::static_pointer_cast;
 using namespace epics::pvData;

exampleServer/src/exampleServerRegister.cpp

@@ -27,13 +27,14 @@
 #include <epicsThread.h>
 #include <iocsh.h>
 
-#include <epicsExport.h>
-
 #include <pv/pvIntrospect.h>
 #include <pv/pvData.h>
 #include <pv/pvAccess.h>
 #include <pv/pvDatabase.h>
-#include <pv/exampleServer.h>
+
+#include <epicsExport.h>
+
+#include <exampleServer.h>
 
 using namespace epics::pvData;
 using namespace epics::pvAccess;